0120-5552
0120-5552
S0120-55522019000200298
10.14482/sun.35.2.618.92
Ecuador
Ecuador
Ecuador
00
08
2019
00
08
2019
35
2
298
305
[
2004
Tercera edición
]
[
2014
Cuarta edición
]
[
2016
101
3
3
258
]
[
2014
25
3
3
1082-4
]
[
2017
18
1
1
17-21
]
[
2015
]
[
1988
114
11
11
1270-1
]
[
2012
246-63
]
[
2018
114
87-91
]
[
2018
4
049
]
[
2019
48
1
1
38-40
]
[
2013
Tercera edición
63
]
[
2010
36
5
5
278-82
]